"Beast idol of strong feeling and powerful to show on stage." is "짐승돌"(chim-sŭng-dol) in Korean.
The Jim sung dol (짐승), it is compound word of 짐승 (beast) + 돌 (아이돌 /idol).
The meaning is the beast idol of strong feeling and force the show on stage.
"2PM" for the first time created words in Korea.